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AP Biology Chapter 53 Flashcards

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7240517776Densitythe number of individuals per unit area or volume0
7240517777Dispersionthe pattern of spacing of those individuals1
7240518477Mark-Recapture MethodA sampling technique used to estimate wildlife populations.2
7240518478ImmigrationMigration to a new location3
7240518479EmigrationMigration from a location4
7240519439Clumping Distributionaggregrate in noticeable but irregular groups (schools of fish, flocks of birds)5
7240519440Uniform DistributionDistribution where populations are spaced evenly6
7240520229Random Distributionspacing between individuals is irregular7
7240520230Demographythe scientific study of population characteristics8
7240520231Life TableAn age-specific summary of the survival pattern of a population.9
7240564804CohortA group of individuals of the same age of the same population10
7240564805Survivorship Curveshows the number of proportion of members of a cohort still alive at each age11
7240565962Survivorship Curve Type ILow mortality during early age and middle age and a rapid increase with old age12
7240567102Survivorship Curve Type IIDeath is relatively constant throughout the life span13
7240568095Survivorship Curve Type IIIhas high initial mortality with the few offspring that survive likely to reach adulthood14
7240569039Reproductive Tablean age-specific summary of the reproductive rates in a population15
7240569040Zero Population Growthoccurs when the birth rate equals the death rate16
7240569826Exponential Population GrowthThe geometric increase of a population as it grows in an ideal, unlimited environment.17
7240569827Carrying CapacityLargest number of individuals of a population that a environment can support18
7240570726Logistic Population GrowthPopulation growth that levels off as population size approaches carrying capacity.19
7240570727Life HistoryTraits that affect an organism's schedule of reproduction and survival.20
7240573311SemelparityBig-bang reproduction.21
7240574004IteroparityRepeated reproduction.22
7240575273Density Independenta birth rate or a death rate that does not change as population density changes23
7240575274Density Dependentif death rate rises with increasing population density, the birth rate is dependent if it falls with increasing population density24
7240578438Population Dynamicsthe study of the variations in population size and the biotic and abiotic factors that cause them25
7240578439Metapopulationa group of populations occupying separated suitable habitats may be linked through immigration and emigration26
7240578440Demographic Transitionchange in a population from high birth and death rates to low birth and death rates27
7240579423Age Structurenumber of males and females of each age in a population28
7240579424Ecological Footprintmeasure of human impact on Earth's ecosystems. It's typically measured in area of wilderness or amount of natural capital consumed each year.29

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